Yu-Gi-Oh! · Rise of the Duelist
Mathmech Diameter
French name: Diamètre Mathmech
Mathmech Diameter (Rise of the Duelist ROTD-EN028) has a market price of US$0.33 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Tuner Monster
- Level
- 4
- Attribute
- LIGHT
- Monster type
- Cyberse
- Archetype
- Mathmech
- ATK
- 1,000
- DEF
- 1,500
Card text
When this card is Normal Summoned: You can target 1 Level 4 Cyberse monster in your GY; Special Summon it, but it cannot activate its effects. A "Mathmech" monster that was Synchro or Xyz Summoned using this card on the field as material gains the following effect. • Once per turn, during the turn this card was Special Summoned, when your opponent activates a card or effect (Quick Effect): You can negate that effect. You can only use each effect of "Mathmech Diameter" once per turn.
About this card
Mathmech Diameter is card ROTD-EN028 in Rise of the Duelist, a Yu-Gi-Oh! set released Aug 7, 2020. Rarity: Common. Finishes: 1st Edition. Reference market price on Nov 9, 2026: US$0.33. Over the last 30 days, the 1st Edition price went down 8.3%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.
